A student is interested in whether students who study with music

A student is interested in whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions (he believes that studying under quiet conditions leads to better attention). He randomly assigns participants to either the music or no-music condition and has them read and study the same passage of information for the same amount of time. Subjects are given the same 10-item test on the material. Their scores appear here. Scores on the test represent interval-ratio data and are normally distributed.

 

Music

NO music

6

10

5

9

6

7

5

7

6

6

6

6

7

8

8

6

5

9

 

QUESTIONS ARE:

a. What statistical test should be used to analyze these date?

b.Identify H0 and Ha for this study

c. Conduct the appropriate analysis

d. Should H0 be rejects? What should the researcher conclude?

e. If significant, compute and interpret the effect size.

f. If significant, draw a graph representing the data.

The column graph of the data is given below,

g. Determine the 95% confidence interval

 

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